package com.qf.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author 孙亚梅
 * @version V1.0
 * @Project javase2203
 * @Package com.qf.interceptor
 * @Description:
 * @Date 2022/6/8 20:04
 */

/**
 * 自定义拦截器，拦截所有请求
 */
public class MyInterceptor implements HandlerInterceptor {


    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("=====MyInterceptor=======preHandle====");
        //如果返回true是放行, 返回false是拦截住
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("=====MyInterceptor=======postHandle====");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler,
                                Exception ex) throws Exception {
        System.out.println("=====MyInterceptor=======afterCompletion====");
    }
}
